12/5/2024
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UPC-A barcode is everywhere today.
Retailers use ‘Universal Product Code’ (UPC) to identify products in store. The same products being sold at different retail stores share the same UPC.
The leading digit of a UPC is called “number system”. Next five digits of a UPC are called “manufacturer code”. Then another five digits are called “Product Code”. The last digit is a check digit.
A UPCA barcode encodes 11 digits of numbers plus a check digit.